Nutrition in Health and Disease Flashcards

1
Q

What is ‘diet?’

A

Sum total of all food ingested

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2
Q

What is ‘food?’

A

Individual items ingested

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3
Q

What are ‘nutrients?’

A

Chemically defined compounds required by the body

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4
Q

What factors must be considered in food choice?

A

Likes/dislikes
Religion/ethics
Social
Psychological

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5
Q

What are the variable components of nutritional demand?

A

Cost of processing food, activity, maintaining temp and growth

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6
Q

How is BMR calculated?

A

Calorimetry

Schofield equation

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7
Q

What are the outcomes of nutritional failure?

A

Obesity
Weight loss
Deficiencies

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8
Q

How is malnutrition defined?

A

Deficiency or excess of nutrients causing adverse effects on tissue/body/function/clinical outcome

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9
Q

Under nutrition leads to what?

A

Weight loss
Impaired function
Strong illness association

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10
Q

Over nutrition leads to what?

A

Longer term issues

Apparent over time

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11
Q

Obesity is defined as what?

A

BMI > 30

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12
Q

Obesity increases the risks of what?

A

Cancer

Metabolic syndrome

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13
Q

Which cancers are associated with obesity?

A

Breast

Bowel

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14
Q

What conditions make up metabolic syndrome?

A

Hypertension
CV disease
T2DM
Fatty liver –> NASH

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15
Q

What percentage of adults in the UK are overweight or obese?

A

> 70%

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16
Q

How is ‘underweight’ defined?

A

BMI < 20

17
Q

How is undernutrition defined?

A

5% body mass unintentional loss

18
Q

How is malnutrition risk picked up?

A

MUST - Malnutrition Universal Screening Tool

19
Q

MUST scoring takes into consideration what?

A

BMI
Weight loss
Acute disease

20
Q

MUST scores imply what?

A

> 2 - risk

1 - give supplements

21
Q

Which groups are at greatest risk of malnutrition?

A

Care home
Elderly
GI patients

22
Q

What are the clinical consequences of malnutrition?

A

Impaired immune response, strength, healing, sociality

Increased illness

23
Q

What system can be used to calculate energy requirements?

A

Schofield equation

REFER TO DIETETICS

24
Q

What are the causes of undernutrition?

A

Appetite
Access
Intestinal

25
Q

What are the appetite failure causes of undernutrition?

A

Anorexia nervosa

Disease related

26
Q

What are the access failure causes of undernutrition?

A

Dental problems
Stroke
Head/neck cancer
Head injury